public static Task CreateConsumerTask(string commandQueue, string consumerId, CancellationTokenSource cancellationTokenSource)
{
return(Task.Run(() =>
{
var consumer = new KafkaConsumer(zkConnectionString, commandQueue, $"{Environment.MachineName}.{commandQueue}", consumerId);
try
{
foreach (var kafkaMessage in consumer.GetMessages(cancellationTokenSource.Token))
{
var message = Encoding.UTF8.GetString(kafkaMessage.Payload);
var sendTime = DateTime.Parse(message);
Console.WriteLine($"consumer:{consumer.ConsumerId} {DateTime.Now.ToString("HH:mm:ss.fff")} consume message: {message} cost: {(DateTime.Now - sendTime).TotalMilliseconds}");
consumer.CommitOffset(kafkaMessage.PartitionId.Value, kafkaMessage.Offset);
}
}
catch (OperationCanceledException)
{
return;
}
catch (ThreadAbortException)
{
return;
}
catch (Exception ex)
{
if (!cancellationTokenSource.IsCancellationRequested)
{
Console.WriteLine(ex.GetBaseException().Message);
}
}
finally
{
consumer.Stop();
}
}));
}